Completely? I think Saunders did more than enough to prove he's one of the most skilled fighters at middleweight, probably the 2nd after GGG, he has a good chin and he showed that he can put power into his punches. What else is he supposed to do to prove himself? And Jacobs have been improving since his KO loss to Pirog and now he has a very decisive win over a top level fighter. Both him and Saunders do.
GGG's power is hyped up. He's fighting c class fighters at best who are scared of his supposed power which makes them **** up when they fight him. Gabe Rosado didn't go down once in his fight with GGG but went down against Lemieux. Who do you think has more power? Also, Rosado did an interview on GGG where he said all of this.
Lemieux couldn't KO Rubio in 2... It's academic really all these theories on how quickly people get each out of there. The dude hits hard, there's no getting round that but to say he hits as hard as Kovalev is (imo) a bit ridiculous. I know people who have sparred have said it or whatever but sparring isn't the same as a pro fight.
This ^ Also, I don't think that he hits as hard as people think he does. I think that it's his punch placement and timing that amplifies the effects of his already hard punches. To hit really hard you have to give your balance away, and Golovkin never does this. Instead he hits as hard as he can without losing his poise, and while setting up the punches to be as destructive as possible. That's why he is so dangerous. He's not really a puncher - he's a thinking boxer-puncher. Watch him play little games with his opponents, where he throws a couple of powder-puff shots to see how they react and then lays down the power unexpectedly.
As above Golvovkin rarely sells out on punches even when finishing an opponent. His power comes from strength, speed and turning the shot over. A textbook display of how to throw a Power punch
He has mastered the ancient art of Qigong. When he hits you it's a heavywight punch as the power of the universe flows through him.
An approach that is styled on a high frequency of thudding punches that are not quite knockout punches on their own, thus the pain seems constant. This is a different approach than a lights-out Julian Jackson approach. Also, he utilises his body at mid range (he's usually got a reasonable enough distance, he sets up the appropriate trap which gives him ideal positioning, thus sufficient space and freedom land a big shot) with an almost coil/corkscrew momentum to his punches, making full use of shoulder. He does what people miss out on when he throws punches. You're taught you're meant to 'punch through your target', he does this properly - a momentary snap - he doesn't skip that step, it's instinctively a part of his punching habit now.